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Asthma Definition, Signs, Causes, Types, Treatment, Cure, and Prevention Topic Guide

Asthma Asthma: Asthma is a disease that affects the breathing passages of the lungs (bronchioles). Asthma may be caused by genes and environmental factors. Asthma causes wheezing, shortness of breath, and other symptoms. Treatment includes avoidance of triggers and medications to control and prevent symptoms.

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Asthma Topic Guide - Visuals

Asthma Topic Guide - Medications and Vitamins

Medications:

indacaterol (inhalation) Indacaterol (inhalation)

Indacaterol is a bronchodilator. It works by relaxing muscles in the airways to improve breathing...learn more »

omalizumab Omalizumab

Omalizumab is used to treat moderate to severe asthma that is caused by allergies in adults and children who are at least 6 years old. Omalizumab is used wh...learn more »

budesonide and formoterol inhalation Budesonide And Formoterol Inhalation

Budesonide is a steroid that reduces inflammation in the body. Formoterol is a bronchodilator that relaxes muscles in the airways to improve breathing...learn more »

fluticasone and salmeterol (inhalation) Fluticasone And Salmeterol (inhalation)

Fluticasone and salmeterol inhalation is a steroid and bronchodilator combination medicine that is used to prevent asthma attacks. It is also used to preven...learn more »

formoterol Formoterol

Formoterol inhalation is a long-acting bronchodilator. It relaxes muscles in the airways to improve breathing...learn more »

cromolyn sodium (nasal) Cromolyn Sodium (nasal)

Cromolyn sodium works by preventing the release of substances in the body that cause inflammation...learn more »

montelukast Montelukast

Montelukast is a leukotriene (loo-koe-TRY-een) inhibitor. Leukotrienes are chemicals your body releases when you breathe in an allergen (such as pollen). T...learn more »

fluticasone nasal Fluticasone Nasal

Fluticasone nasal (for the nose) is a steroid medicine that is used to treat nasal congestion, sneezing, runny nose, and itchy or watery eyes caused by seaso...learn more »

budesonide inhalation Budesonide Inhalation

Budesonide inhalation is a steroid that is used to prevent asthma attacks...learn more »

beclomethasone nasal Beclomethasone Nasal

Beclomethasone is a steroid that prevents the release of substances in the body that cause inflammation...learn more »

ipratropium (nasal) Ipratropium (nasal)

Ipratropium nasal (for the nose) works by reducing mucus secretions in the nose...learn more »

zileuton Zileuton

Zileuton is a leukotriene (loo-koe-TRY-een) inhibitor. Leukotrienes are chemicals your body releases when you breathe in an allergen (such as pollen). Thes...learn more »

zafirlukast Zafirlukast

Zafirlukast is a leukotriene (loo-koe-TRY-een) inhibitor. Leukotrienes are chemicals your body releases when you breathe in an allergen (such as pollen). T...learn more »

salmeterol (inhalation) Salmeterol (inhalation)

Salmeterol is a bronchodilator. It works by relaxing muscles in the airways to improve breathing...learn more »

fluticasone inhalation Fluticasone Inhalation

Fluticasone inhalation is a steroid that is used to prevent asthma attacks in adults and children. Fluticasone inhalation is sometimes used together with st...learn more »

beclomethasone inhalation Beclomethasone Inhalation

Beclomethasone is a steroid. It prevents the release of substances in the body that cause inflammation...learn more »

albuterol Albuterol

Albuterol is a bronchodilator that relaxes muscles in the airways and increases air flow to the lungs...learn more »

epinephrine injection Epinephrine Injection

Epinephrine is a chemical that narrows blood vessels and opens airways in the lungs. These effects can reverse severe low blood pressure, wheezing, severe s...learn more »

triamcinolone (injection) Triamcinolone (injection)

Triamcinolone is a steroid that prevents the release of substances in the body that cause inflammation...learn more »

ipratropium inhalation Ipratropium Inhalation

Ipratropium is a bronchodilator that is used to to prevent bronchospasm in people with COPD (chronic obstructive pulmonary disease), including bronchitis and...learn more »

cromolyn sodium (inhalation) Cromolyn Sodium (inhalation)

Cromolyn sodium works by preventing the release of substances in the body that cause inflammation...learn more »

theophylline Theophylline

Theophylline is a bronchodilator. It works by relaxing muscles in the lungs and chest, making the lungs less sensitive to allergens and other causes of bronc...learn more »